凡是能在空气、氧气或其它氧化剂中发生燃烧反应的物质都称为()。否则叫()。
参考答案:可燃物、不燃物
It was in the dining hall _______ was located behind the teaching building _______ I met her for the first time.
A.where; that
B.that; where
C.which; that
D.that; which
对国家公务员奖励的原则中主要倡导以( )为主。
A.精神奖励
B.物质奖励
C.记功奖励
D.嘉奖并授予荣誉称号